The 2026 Tecumseh Trail Marathon has concluded.Share your finish2026 Results

Tecumseh Trail Marathon

Race complete
Nashville, IN, USA · October 17, 2026·
clear-day37°·47° high·Breezy·Dry
10
Register

Tecumseh Trail Marathon race day weather

clear-day
37°at start
54° high
Breezy
Dry
Your goal
0:00:00

Crisp start, warming up later

Runners will face a cool start at 37°F, gradually warming to 54°F by the finish. Wind will be a factor, with gusts up to 20 mph creating headwinds during challenging climbs, particularly around miles 10 to 16. Runners should consider adjusting their pacing strategy on the climbs and ensure proper hydration as temperatures rise, while also dressing in layers for the early chill.

clear-night10
clear-night10
clear-day10
clear-day10
clear-day9
clear-day10
partly-cloudy-day10
clear-day10
clear-day10
clear-day10
clear-day10
clear-day10
clear-day10
clear-day10
clear-night10
clear-night10

Pace Calculator

26.2mi
0:00:00
HH:MM:SS
Pace
—

Enter a finish time to see what race day does to it.

Common Goals:

Get forecast alerts for Tecumseh Trail Marathon

We'll text or email you when the forecast shifts — so you can adjust gear, pacing, and strategy. Max one per day.

Tecumseh Trail Marathon route and elevation

The Tecumseh Trail Marathon course has about 3,147 ft (959 m) of climbing and 3,150 ft (960 m) of descent, and finishes near the elevation it starts. It is hillier than 96% of the marathon courses racecast.io has mapped, measured by what the hills cost in time. The hardest mile is mile 1, with 265 ft (81 m) of climbing and a 4.5% average grade.

Biggest climbs

  • Miles 0.2 to 0.7: climbs about 225 ft (69 m).
  • Miles 9 to 9.8: climbs about 235 ft (72 m).
  • Miles 24 to 25: climbs about 230 ft (71 m).

What the hills cost

  • 3:30 on a flat course is about 3:37 here (7 minutes slower).
  • 4:00 on a flat course is about 4:08 here (8 minutes slower).
  • 4:30 on a flat course is about 4:39 here (9 minutes slower).

Hills only, priced mile by mile on the course map. The pace calculator above adds the race-day weather.

Even-effort splits for a 3:30, 4:00 or 4:30 finish
The Tecumseh Trail Marathon mile splits at even effort for three finish times, with each mile's climb and descent
MileClimbDescent3:304:004:30
1265 ft30 ft9:4711:1112:35
285 ft62 ft7:559:0310:11
3111 ft80 ft7:599:0810:16
4191 ft225 ft7:378:429:47
5111 ft83 ft7:589:0610:15
675 ft233 ft7:138:159:17
7130 ft132 ft7:448:509:56
8134 ft57 ft8:239:3510:47
993 ft228 ft7:178:199:21
10243 ft49 ft9:2510:4612:06
1115 ft175 ft7:138:149:17
12164 ft59 ft8:369:5111:05
13120 ft118 ft7:468:529:58
14178 ft101 ft8:229:3410:46
1562 ft235 ft7:118:139:14
16242 ft86 ft9:0410:2211:40
1788 ft106 ft7:418:469:52
1854 ft85 ft7:378:429:48
1952 ft246 ft7:088:109:10
2075 ft84 ft7:438:489:55
21160 ft113 ft8:079:1710:26
22221 ft104 ft8:429:5711:12
2350 ft227 ft7:118:129:13
24127 ft79 ft8:089:1710:27
25261 ft59 ft9:2910:5112:12
2635 ft271 ft7:028:039:04
Last 0.211 ft20 ft1:421:562:10

Explore the Tecumseh Trail Marathon course with the weather and your pace along the route, or compare it with other races.

Race Plan

Get your personalized Tecumseh Trail Marathon race plan

A mile-by-mile breakdown of where your time goes, weather-adjusted splits, fueling timeline with aid stations, packing checklist, carb tracker, spectator guide, all built around your goal and race-day conditions.

Race Pace
Weather Splits
Nutrition
Gear & Packing
T-Minus
Carb Tracker
Spectator Guide
Race Band

About the Tecumseh Trail Marathon

The Tecumseh Trail Marathon runs through Yellowwood State Forest in Brown County, in south-central Indiana, on a mix of narrow forest trail, wide fire road, gravel, dirt, and short paved sections. The course has about 3,500 feet of total elevation gain. It runs in mid-to-late October, during peak fall foliage in the area. Aid stations are spaced every 2-3 miles along the route.

Race weekend

Saturday, October 17
8:00 AM50K (31.1 mi)
8:15 AMMarathon (26.2 mi)
8:30 AMHalf Marathon (13.1 mi)9:00 AM8M (8.0 mi)
9:00 AM50K Relay (31.1 mi)

Tecumseh Trail Marathon FAQ

When is the 2026 Tecumseh Trail Marathon?

The 2026 Tecumseh Trail Marathon will be held on Saturday October 17, 2026.

What is the time limit for the Tecumseh Trail Marathon?

The time limit for the Tecumseh Trail Marathon is 10.25 hours.

What will the weather be like for the 2026 Tecumseh Trail Marathon?

The forecast calls for a high of 54°F and a low of 37°F with a 0% chance of rain.

What is the elevation gain of the Tecumseh Trail Marathon?

The Tecumseh Trail Marathon course has about 3,147 ft (959 m) of climbing and 3,150 ft (960 m) of descent, and finishes near the elevation it starts.

Is the Tecumseh Trail Marathon hilly?

Yes. It has about 120 ft (37 m) of climbing per mile. The hardest mile is mile 1, with 265 ft (81 m) of climbing and a 4.5% average grade. 4:00 on a flat course is about 4:08 here (8 minutes slower). It is hillier than 96% of the marathon courses racecast.io has mapped, measured by what the hills cost in time.

What is the weather usually like for the Tecumseh Trail Marathon?

Over the 22 years racecast.io has race-day weather for (2003 to 2026), it averaged 41°F at the start and 50°F by a typical finish. Rain fell during race hours in 4 of those years (2008, 2010, 2014 and 2019).

What was the hottest Tecumseh Trail Marathon?

Of the 22 years on record, 2025 was the warmest, reaching 76°F during race hours. The coldest start was 2009, at 16°F.

What was the windiest Tecumseh Trail Marathon?

Of the 22 years on record, 2019 was the windiest, with wind averaging 13 mph during race hours. The calmest was 2024, at 0 mph.

Tecumseh Trail Marathon weather history

Based on 22 years of data
Avg Temp
44°F
L:40° H:50°
RunScore
9
Conditions
Rain Freq
18%
4 of 22 yrs
Wind8mph
Dew37°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2026
clear-day
37°/47°-
10
2025
partly-cloudy-day
58°/76°-
5
2024
clear-day
37°/64°-
9
2023
clear-night
39°/64°-
8
2022
clear-night
47°/70°-
7
2020
cloudy
46°/49°-
9
2019
rain
50°/53°Moderate
6
2018
cloudy
43°/50°-
10
2017
cloudy
36°/37°-
10
2016
clear-night
64°/73°-
5
2015
cloudy
65°/71°-
5
2014
partly-cloudy-night
56°/65°-
7
2014
cloudy
41°/47°Light
9
2012
cloudy
48°/57°-
10
2011
partly-cloudy-night
42°/47°-
10
2010
cloudy
30°/32°Light
10
2009
clear-night
14°/27°-
10
2008
cloudy
25°/27°Light
9
2007
clear-night
25°/30°-
9
2006
clear-night
21°/29°-
10
2004
clear-night
30°/44°-
9
2003
partly-cloudy-night
30°/36°-
10